return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for NH2CH2OH (aminomethanol)

using model chemistry: PBEPBEultrafine/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes 1A
Energy calculated at PBEPBEultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-170.952928
Energy at 298.15K-170.959375
HF Energy-170.952928
Nuclear repulsion energy81.562516
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at PBEPBEultrafine/aug-cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3691 3650 14.21      
2 A 3506 3467 3.50      
3 A 3422 3383 1.77      
4 A 3029 2995 21.44      
5 A 2955 2922 48.59      
6 A 1610 1592 24.56      
7 A 1445 1429 0.24      
8 A 1365 1350 27.46      
9 A 1338 1323 2.28      
10 A 1315 1301 2.90      
11 A 1122 1109 33.95      
12 A 1069 1057 25.69      
13 A 932 921 226.13      
14 A 875 866 4.24      
15 A 762 753 151.70      
16 A 460 455 44.26      
17 A 389 385 73.42      
18 A 266 263 68.14      

Unscaled Zero Point Vibrational Energy (zpe) 14774.7 cm-1
Scaled (by 0.9888) Zero Point Vibrational Energy (zpe) 14609.3 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at PBEPBEultrafine/aug-cc-pVTZ
ABC
1.28527 0.31159 0.28132

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/aug-cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.235 -0.161 -0.020
C2 -0.024 0.534 0.048
O3 -1.217 -0.263 -0.118
H4 1.309 -0.710 -0.877
H5 1.376 -0.786 0.774
H6 -0.062 1.082 1.004
H7 -0.073 1.259 -0.774
H8 -1.318 -0.821 0.670

Atom - Atom Distances (Å)
  N1 C2 O3 H4 H5 H6 H7 H8
N11.43962.45581.02041.02012.06772.07302.7260
C21.43961.44352.04422.05611.10241.09781.9739
O32.45581.44352.67452.79122.09752.01330.9717
H41.02042.04422.67451.65382.93722.40813.0506
H51.02012.05612.79121.65382.36842.94602.6961
H62.06771.10242.09752.93722.36841.78662.3043
H72.07301.09782.01332.40812.94601.78662.8220
H82.72601.97390.97173.05062.69612.30432.8220

picture of aminomethanol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 O3 116.815 N1 C2 H6 108.127
N1 C2 H7 108.822 C2 N1 H4 111.250
C2 N1 H5 112.300 C2 O3 H8 108.037
O3 C2 H6 110.229 O3 C2 H7 103.963
H4 N1 H5 108.286 H6 C2 H7 108.592
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.317      
2 C -0.038      
3 O -0.426      
4 H 0.068      
5 H 0.060      
6 H 0.240      
7 H 0.287      
8 H 0.127      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.436 -0.953 1.214 1.604
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.893 -1.538 -1.988
y -1.538 -18.080 -1.411
z -1.988 -1.411 -17.167
Traceless
 xyz
x -6.270 -1.538 -1.988
y -1.538 2.450 -1.411
z -1.988 -1.411 3.820
Polar
3z2-r27.640
x2-y2-5.814
xy-1.538
xz-1.988
yz-1.411


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.628 0.071 -0.090
y 0.071 4.864 -0.039
z -0.090 -0.039 4.484


<r2> (average value of r2) Å2
<r2> 50.734
(<r2>)1/2 7.123